Office of the Prime Minister and Privy Council, Federal heritage building in Ottawa, Canada
The Office of the Prime Minister and Privy Council is a three-story sandstone building with Second Empire features, including mansard roofs and arched windows. The ornate stone facade houses the Prime Minister and senior government officials.
The building was completed in 1889 by architect Thomas Fuller as a federal office. It later became the headquarters of Canada's executive branch.
The building was named after Hector-Louis Langevin, a Father of Confederation and Minister of Public Works, until 2017. That year, Prime Minister Justin Trudeau renamed it, acting on the Assembly of First Nations' call over Langevin's role in creating the residential school system. The former name had also served as a metonym for the Prime Minister's Office.
The building stands on Wellington Street beside the National War Memorial and the Chateau Laurier, a short walk from Parliament Hill. It is an active government office, so access is limited to the exterior; the facade and mansard roof are best viewed from the street. A bridge links it to an office building at 13 Metcalfe Street.
The sandstone came from a New Brunswick quarry owned by Charles Elijah Fish, not from a local source. In 2000 the Royal Architectural Institute of Canada listed the building among the top 500 Canadian buildings of the last millennium, citing Thomas Fuller's design.
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